Volume of a cylinder
Find the volume of a cylinder using V = pi * r^2 * h, with 3.14 for pi. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
A cylindrical water bottle has a radius of 2 cm and a height of 7 cm. What is its volume? (Use pi = 3.14.)
V = π · r2 · h
Answer: 87.92
See one solved, step by step
A cylindrical water bottle has a radius of 3 cm and a height of 9 cm. What is its volume? (Use pi = 3.14.)
V = π · r2 · h
📘 Worked solution
1Base area = 3.14 · 32 = 28.26The base of a cylinder is a circle: A = pi * r^2.
2V = 28.26 · 9 = 254.34 cm3Stack that base area up the full height — multiply by 9.
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